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| n | a(n) |
|---|---|
| 20 | 1 |
| 21 | 1 |
| 22 | 3 |
| 23 | 5 |
| 24 | 9 |
| 25 | 13 |
| 26 | 21 |
| 27 | 29 |
| 28 | 43 |
| 29 | 59 |
| 30 | 82 |
| 31 | 108 |
| 32 | 146 |
| 33 | 187 |
| 34 | 244 |
| 35 | 309 |
| 36 | 393 |
| 37 | 488 |
| 38 | 610 |
| 39 | 746 |
| 40 | 917 |
| 41 | 1109 |
| 42 | 1343 |
| 43 | 1606 |
| 44 | 1924 |
| 45 | 2277 |
| 46 | 2698 |
| 47 | 3168 |
| 48 | 3719 |
| 49 | 4331 |
| 50 | 5045 |
| 51 | 5833 |
| 52 | 6744 |
| 53 | 7750 |
| 54 | 8900 |
| 55 | 10167 |
| 56 | 11609 |
| 57 | 13189 |
| 58 | 14976 |
| 59 | 16934 |
| 60 | 19132 |
| 61 | 21533 |
| 62 | 24219 |
| 63 | 27143 |
| 64 | 30399 |
| 65 | 33939 |
| 66 | 37859 |
[1,1,3,5,9,13,21,29,43,59,82,108,146,187,244,309, 393,488,610,746,917,1109,1343,1606,1924,2277,2698, 3168,3719,4331,5045,5833,6744,7750,8900,10167, 11609,13189,14976,16934,19132,21533,24219,27143, 30399,33939,37859] |